Which begs the question, how is Google determining that these Twitter topics merit a high weight?

这就引出这样一个问题，Google是通过何种方式确定这些Twitter话题享有较高的权重的？

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That little J shaped curve is explained primarily by cigarette smoking because that keeps weight down in people, it also makes people sick so that their weight gets low because of that, and it explains the high rates of the disease risk there.

这个小J形曲线主要是由吸烟引起的,因为吸烟一方面能让体重降低,另一方面也引起疾病,疾病让人们的体重下降,这也解释了这里的高患病风险

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"A lot of patients that I see come in with very high weight loss expectations and very few people say that their goal is only 5% to 10% of their body weight, " she said.

CNN: Journaling helps woman lose half her body weight

From a chemical perspective, high-weight phthalates are tightly bound, more stable and more resilient than low phthalates.

FORBES: Connect

Obesity is on the rise among U.S. teens, and with it, interest in high-end weight-loss camps.

FORBES: Obesity In America